Company lists · Data refreshed September 2026
Top 25 Contact center optimization companies worldwide
RevenueBase identified 6,387 company matches for contact center optimization companies worldwide as of September 2026 and tracks 388,377 professional contacts across them, including 42,479 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.
This list covers company matches for contact center optimization companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 27, 2026. Country and city lists for contact center optimization companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest contact center optimization companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 30,990 contacts → | ||||
Exact match “Foundever® is the next-generation service leader reinventing customer experience (CX).” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 2 | 20,095 contacts → | ||||
Exact match “A AeC é apontada consistentemente como a líder brasileira na entrega de soluções de experiência do cliente e gestão de processos terceirizados.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 3 | 17,310 contacts → | ||||
Exact match “iQor is a trusted partner in customer experience solutions for global brands and a portfolio company of Mill Point Capital.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 4 | 14,976 contacts → | ||||
Exact match “A global customer experience (CX) management solutions provider, Startek® delivers best-in-class omnichannel CX, digital transformation and enterprise tech services for leading…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 5 | 7,034 contacts → | ||||
Exact match “Freshworks Inc.(NASDAQ: FRSH) is the AI-powered, unified service operations platform that is fast to deploy, intuitive to use, and enables every employee to be more productive.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 6 | 6,167 contacts → | ||||
Exact match “Bir Turkcell grup şirketi olarak yılında kurulduğumuzda amacımız hep eşsiz bir müşteri deneyimi yaşatmaktı.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 7 | 5,553 contacts → | ||||
Exact match “When people reach for their phones, use laptops, or grab their tablets, Afni's contact center teams are there to provide prompt and friendly help.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 8 | 4,785 contacts → | ||||
Exact match “At Fusion CX, we revolutionize customer experience by blending innovative technology and human connection.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 9 | 4,561 contacts → | ||||
Exact match “CCSI specializes in high‑performance, cost‑efficient contact center solutions supported by a world‑class bilingual workforce and state‑of‑the‑art infrastructure in Mexico.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 10 | 4,342 contacts → | ||||
Exact match “With a fresh name and decades of contact center expertise, we’re dedicated to collaborative partnerships, understanding your unique needs, and tailoring solutions for an enhanced…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 11 | 4,161 contacts → | ||||
Exact match “ibex.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 12 | 4,126 contacts → | ||||
Exact match “Mais que call center: soluções que transformam o seu negócio e a jornada dos clientes!” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 13 | 3,914 contacts → | ||||
Exact match “Vikstar is one of the biggest contact centers of Brazil.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 14 | 3,785 contacts → | ||||
Exact match “Founded in 1993, since the beginning Sercom has stood out in the Contact Center Services.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 15 | 3,333 contacts → | ||||
Exact match “A TMKT é uma empresa de Contact Center que foi fundada em 1991 e se tornou uma referência no mercado de Customer Experience (CX).” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 16 | 3,122 contacts → | ||||
Exact match “Email: info@Telvista.com Telvista is a premier provider of contact solutions that drive customer loyalty and create competitive advantage for our clients.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 17 | 3,071 contacts → | ||||
Exact match “Extensya is a company that primarily specializes in contact management solutions and business process outsourcing services, with a network of fully equipped contact centers in…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 18 | 3,061 contacts → | ||||
Exact match “ePerformax is a high-performing contact center & BPO that provides world-class, omnichannel service and support to a select group of Fortune companies and their customers.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 19 | 2,951 contacts → | ||||
Exact match “A VGX, é uma empresa 100% brasileira, com 13 anos de atuação e mais de 5.100 colaboradores, consolidada como referência em soluções de Customer Experience,Cobrança, Atendimento…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 20 | 2,774 contacts → | ||||
Exact match “Advanced Call Center Technologies, LLC (ACT) is a premier provider of domestic (USA), near shore and far shore outsourced call center services to the financial services, mortgage…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 21 | 2,552 contacts → | ||||
Exact match “Com 19 anos de experiência em CX e BPO, somos consultivos e entregamos soluções personalizadas que conectam pessoas e tecnologia para impulsionar seus resultados.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 22 | 2,342 contacts → | ||||
Exact match “Más que un contact center y BPO, somos el partner que asegura que la experiencia de tus clientes sea increíble.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 23 | 2,221 contacts → | ||||
Exact match “Somos la compañía líder en Servicios Next Gen de Contact Center, Business Process Outsourcing (BPO) y Customer Experience (CX).” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 24 | 1,990 contacts → | ||||
Exact match “Sitel Philippines (formerly SYKES).” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 25 | 1,987 contacts → | ||||
Exact match “transcosmos launched its operations in 1966.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “contact center optimization companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 6,387 contact center optimization companies worldwide
See the full list, filter by size, metro and specialty, and access 42,479 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Contact center optimization companies worldwide at a glance
As of Sep 27, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for contact center optimization companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “contact center optimization companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 42,479 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 27, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Contact center optimization companies by location
34 lists · largest firstEvery Contact center optimization companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Contact center optimization companies based in the United States1,216
- Contact center optimization companies based in India370
- Contact center optimization companies based in Brazil281
- Contact center optimization companies based in the United Kingdom259
- Contact center optimization companies based in the Philippines164
- Contact center optimization companies based in Canada156
- Contact center optimization companies based in Mexico146
- Contact center optimization companies based in Italy136
- Contact center optimization companies based in Germany134
- Contact center optimization companies based in Spain132
- Contact center optimization companies based in France106
- Contact center optimization companies based in the Netherlands106
- Contact center optimization companies based in Colombia91
- Contact center optimization companies based in Argentina85
- Contact center optimization companies based in South Africa85
- Contact center optimization companies based in Türkiye78
- Contact center optimization companies based in Australia73
- Contact center optimization companies based in Egypt63
- Contact center optimization companies based in Poland63
- Contact center optimization companies based in Chile44
- Contact center optimization companies based in Israel38
- Contact center optimization companies based in Tunisia36
- Contact center optimization companies based in Belgium30
- Contact center optimization companies based in Ecuador29
- Contact center optimization companies based in Portugal28
- Contact center optimization companies based in Czechia27
- Contact center optimization companies based in Greece26
Cities
- Contact center optimization companies based in Sao Paulo, Brazil95
- Contact center optimization companies based in London, United Kingdom60
- Contact center optimization companies based in Madrid, Spain41
- Contact center optimization companies based in Toronto, Canada30
- Contact center optimization companies based in Atlanta, United States27
- Contact center optimization companies based in Paris, France27
- Contact center optimization companies based in Miami, United States26
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “contact center optimization companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many contact center optimization companies are there worldwide?
RevenueBase identified 6,387 company matches for contact center optimization companies worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Foundever tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most contact center optimization companies?
The United States leads with 1,216 companies, followed by India (370) and Brazil (281). Every contact center optimization companies list by country and city is linked on this page.
Which city has the most contact center optimization companies?
Sao Paulo leads with 95 company records, followed by Lahore (63) and London (63).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 42,479 professional contacts with verified work emails tracked across these 6,387 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 contact center optimization companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 6,387 matching company records for contact center optimization companies worldwide, with 388,377 tracked contacts and 42,479 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 27, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 contact center optimization companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: Miami, FL, United StatesReported employees: 10001+ | Miami, FL, United States | 10001+ | Exact match | 30,990 contacts → |
“Foundever® is the next-generation service leader reinventing customer experience (CX).” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Belo Horizonte, BrazilReported employees: 10001+ | Belo Horizonte, Brazil | 10001+ | Exact match | 20,095 contacts → |
“A AeC é apontada consistentemente como a líder brasileira na entrega de soluções de experiência do cliente e gestão de processos terceirizados.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Fort Lauderdale, FL, United StatesReported employees: 10001+ | Fort Lauderdale, FL, United States | 10001+ | Exact match | 17,310 contacts → |
“iQor is a trusted partner in customer experience solutions for global brands and a portfolio company of Mill Point Capital.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Denver, United StatesReported employees: 10001+ | Denver, United States | 10001+ | Exact match | 14,976 contacts → |
“A global customer experience (CX) management solutions provider, Startek® delivers best-in-class omnichannel CX, digital transformation and enterprise tech services for leading…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: San Mateo, CA, United StatesReported employees: 1,001-5,000 | San Mateo, CA, United States | 1,001-5,000 | Exact match | 7,034 contacts → |
“Freshworks Inc.(NASDAQ: FRSH) is the AI-powered, unified service operations platform that is fast to deploy, intuitive to use, and enables every employee to be more productive.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Beyoglu, TürkiyeReported employees: 10001+ | Beyoglu, Türkiye | 10001+ | Exact match | 6,167 contacts → |
“Bir Turkcell grup şirketi olarak yılında kurulduğumuzda amacımız hep eşsiz bir müşteri deneyimi yaşatmaktı.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Bloomington, IL, United StatesReported employees: 10001+ | Bloomington, IL, United States | 10001+ | Exact match | 5,553 contacts → |
“When people reach for their phones, use laptops, or grab their tablets, Afni's contact center teams are there to provide prompt and friendly help.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Norcross, GA, United StatesReported employees: 10001+ | Norcross, GA, United States | 10001+ | Exact match | 4,785 contacts → |
“At Fusion CX, we revolutionize customer experience by blending innovative technology and human connection.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: San Diego, CA, United StatesReported employees: 1,001-5,000 | San Diego, CA, United States | 1,001-5,000 | Exact match | 4,561 contacts → |
“CCSI specializes in high‑performance, cost‑efficient contact center solutions supported by a world‑class bilingual workforce and state‑of‑the‑art infrastructure in Mexico.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Dallas, TX, United StatesReported employees: 5,001-10,000 | Dallas, TX, United States | 5,001-10,000 | Exact match | 4,342 contacts → |
“With a fresh name and decades of contact center expertise, we’re dedicated to collaborative partnerships, understanding your unique needs, and tailoring solutions for an enhanced…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Karachi, PakistanReported employees: 10001+ | Karachi, Pakistan | 10001+ | Exact match | 4,161 contacts → |
“ibex.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Uberlândia, BrazilReported employees: 5,001-10,000 | Uberlândia, Brazil | 5,001-10,000 | Exact match | 4,126 contacts → |
“Mais que call center: soluções que transformam o seu negócio e a jornada dos clientes!” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 3,914 contacts → |
“Vikstar is one of the biggest contact centers of Brazil.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Taboão Da Serra, BrazilReported employees: 5,001-10,000 | Taboão Da Serra, Brazil | 5,001-10,000 | Exact match | 3,785 contacts → |
“Founded in 1993, since the beginning Sercom has stood out in the Contact Center Services.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Poa, BrazilReported employees: 5,001-10,000 | Poa, Brazil | 5,001-10,000 | Exact match | 3,333 contacts → |
“A TMKT é uma empresa de Contact Center que foi fundada em 1991 e se tornou uma referência no mercado de Customer Experience (CX).” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 3,122 contacts → |
“Email: info@Telvista.com Telvista is a premier provider of contact solutions that drive customer loyalty and create competitive advantage for our clients.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Amman, JordanReported employees: 1,001-5,000 | Amman, Jordan | 1,001-5,000 | Exact match | 3,071 contacts → |
“Extensya is a company that primarily specializes in contact management solutions and business process outsourcing services, with a network of fully equipped contact centers in…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Pasay City, PhilippinesReported employees: 5,001-10,000 | Pasay City, Philippines | 5,001-10,000 | Exact match | 3,061 contacts → |
“ePerformax is a high-performing contact center & BPO that provides world-class, omnichannel service and support to a select group of Fortune companies and their customers.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Montes Claros, BrazilReported employees: 1,001-5,000 | Montes Claros, Brazil | 1,001-5,000 | Exact match | 2,951 contacts → |
“A VGX, é uma empresa 100% brasileira, com 13 anos de atuação e mais de 5.100 colaboradores, consolidada como referência em soluções de Customer Experience,Cobrança, Atendimento…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Berwyn, PA, United StatesReported employees: 5,001-10,000 | Berwyn, PA, United States | 5,001-10,000 | Exact match | 2,774 contacts → |
“Advanced Call Center Technologies, LLC (ACT) is a premier provider of domestic (USA), near shore and far shore outsourced call center services to the financial services, mortgage…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Goiânia, BrazilReported employees: 10001+ | Goiânia, Brazil | 10001+ | Exact match | 2,552 contacts → |
“Com 19 anos de experiência em CX e BPO, somos consultivos e entregamos soluções personalizadas que conectam pessoas e tecnologia para impulsionar seus resultados.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Bogotá D.c, ColombiaReported employees: 5,001-10,000 | Bogotá D.c, Colombia | 5,001-10,000 | Exact match | 2,342 contacts → |
“Más que un contact center y BPO, somos el partner que asegura que la experiencia de tus clientes sea increíble.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Buenos Aires, ArgentinaReported employees: 1,001-5,000 | Buenos Aires, Argentina | 1,001-5,000 | Exact match | 2,221 contacts → |
“Somos la compañía líder en Servicios Next Gen de Contact Center, Business Process Outsourcing (BPO) y Customer Experience (CX).” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Sykes Philippinessitel.com HQ: Makati City, PhilippinesReported employees: 10001+ | Makati City, Philippines | 10001+ | Exact match | 1,990 contacts → |
“Sitel Philippines (formerly SYKES).” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Transcosmos INCtrans-cosmos.co.jp HQ: Toshima-ku, JapanReported employees: 10001+ | Toshima-ku, Japan | 10001+ | Exact match | 1,987 contacts → |
“transcosmos launched its operations in 1966.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 6,387 company matches
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Contact center optimization companies: dataset insights
September 27, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
6,376 records in the displayed employee bands.
11 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 6,387 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 27, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Contact center optimization companies by location
34 lists · largest firstEvery Contact center optimization companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Contact center optimization companies based in the United States1,216
- Contact center optimization companies based in India370
- Contact center optimization companies based in Brazil281
- Contact center optimization companies based in the United Kingdom259
- Contact center optimization companies based in the Philippines164
- Contact center optimization companies based in Canada156
- Contact center optimization companies based in Mexico146
- Contact center optimization companies based in Italy136
- Contact center optimization companies based in Germany134
- Contact center optimization companies based in Spain132
- Contact center optimization companies based in France106
- Contact center optimization companies based in the Netherlands106
- Contact center optimization companies based in Colombia91
- Contact center optimization companies based in Argentina85
- Contact center optimization companies based in South Africa85
- Contact center optimization companies based in Türkiye78
- Contact center optimization companies based in Australia73
- Contact center optimization companies based in Egypt63
- Contact center optimization companies based in Poland63
- Contact center optimization companies based in Chile44
- Contact center optimization companies based in Israel38
- Contact center optimization companies based in Tunisia36
- Contact center optimization companies based in Belgium30
- Contact center optimization companies based in Ecuador29
- Contact center optimization companies based in Portugal28
- Contact center optimization companies based in Czechia27
- Contact center optimization companies based in Greece26
Cities
- Contact center optimization companies based in Sao Paulo, Brazil95
- Contact center optimization companies based in London, United Kingdom60
- Contact center optimization companies based in Madrid, Spain41
- Contact center optimization companies based in Toronto, Canada30
- Contact center optimization companies based in Atlanta, United States27
- Contact center optimization companies based in Paris, France27
- Contact center optimization companies based in Miami, United States26
Questions about this company list
What does Exact match mean for contact center optimization companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many contact center optimization companies did RevenueBase find worldwide?
The saved snapshot records 6,387 matching company records, 388,377 tracked contacts and 42,479 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 27, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
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Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 contact center optimization companies worldwide. Snapshot: September 27, 2026. https://revenuebase.ai/companies/browse/contact-center-optimization-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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Top 25 contact center optimization companies worldwide
RevenueBase records 6,387 matching company records for contact center optimization companies worldwide, with 388,377 tracked contacts and 42,479 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 27, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 contact center optimization companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: Miami, FL, United StatesReported employees: 10001+ | Miami, FL, United States | 10001+ | Exact match | 30,990 contacts → |
“Foundever® is the next-generation service leader reinventing customer experience (CX).” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Belo Horizonte, BrazilReported employees: 10001+ | Belo Horizonte, Brazil | 10001+ | Exact match | 20,095 contacts → |
“A AeC é apontada consistentemente como a líder brasileira na entrega de soluções de experiência do cliente e gestão de processos terceirizados.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Fort Lauderdale, FL, United StatesReported employees: 10001+ | Fort Lauderdale, FL, United States | 10001+ | Exact match | 17,310 contacts → |
“iQor is a trusted partner in customer experience solutions for global brands and a portfolio company of Mill Point Capital.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Denver, United StatesReported employees: 10001+ | Denver, United States | 10001+ | Exact match | 14,976 contacts → |
“A global customer experience (CX) management solutions provider, Startek® delivers best-in-class omnichannel CX, digital transformation and enterprise tech services for leading…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: San Mateo, CA, United StatesReported employees: 1,001-5,000 | San Mateo, CA, United States | 1,001-5,000 | Exact match | 7,034 contacts → |
“Freshworks Inc.(NASDAQ: FRSH) is the AI-powered, unified service operations platform that is fast to deploy, intuitive to use, and enables every employee to be more productive.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Beyoglu, TürkiyeReported employees: 10001+ | Beyoglu, Türkiye | 10001+ | Exact match | 6,167 contacts → |
“Bir Turkcell grup şirketi olarak yılında kurulduğumuzda amacımız hep eşsiz bir müşteri deneyimi yaşatmaktı.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Bloomington, IL, United StatesReported employees: 10001+ | Bloomington, IL, United States | 10001+ | Exact match | 5,553 contacts → |
“When people reach for their phones, use laptops, or grab their tablets, Afni's contact center teams are there to provide prompt and friendly help.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Norcross, GA, United StatesReported employees: 10001+ | Norcross, GA, United States | 10001+ | Exact match | 4,785 contacts → |
“At Fusion CX, we revolutionize customer experience by blending innovative technology and human connection.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: San Diego, CA, United StatesReported employees: 1,001-5,000 | San Diego, CA, United States | 1,001-5,000 | Exact match | 4,561 contacts → |
“CCSI specializes in high‑performance, cost‑efficient contact center solutions supported by a world‑class bilingual workforce and state‑of‑the‑art infrastructure in Mexico.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Dallas, TX, United StatesReported employees: 5,001-10,000 | Dallas, TX, United States | 5,001-10,000 | Exact match | 4,342 contacts → |
“With a fresh name and decades of contact center expertise, we’re dedicated to collaborative partnerships, understanding your unique needs, and tailoring solutions for an enhanced…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Karachi, PakistanReported employees: 10001+ | Karachi, Pakistan | 10001+ | Exact match | 4,161 contacts → |
“ibex.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Uberlândia, BrazilReported employees: 5,001-10,000 | Uberlândia, Brazil | 5,001-10,000 | Exact match | 4,126 contacts → |
“Mais que call center: soluções que transformam o seu negócio e a jornada dos clientes!” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 3,914 contacts → |
“Vikstar is one of the biggest contact centers of Brazil.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Taboão Da Serra, BrazilReported employees: 5,001-10,000 | Taboão Da Serra, Brazil | 5,001-10,000 | Exact match | 3,785 contacts → |
“Founded in 1993, since the beginning Sercom has stood out in the Contact Center Services.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Poa, BrazilReported employees: 5,001-10,000 | Poa, Brazil | 5,001-10,000 | Exact match | 3,333 contacts → |
“A TMKT é uma empresa de Contact Center que foi fundada em 1991 e se tornou uma referência no mercado de Customer Experience (CX).” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 3,122 contacts → |
“Email: info@Telvista.com Telvista is a premier provider of contact solutions that drive customer loyalty and create competitive advantage for our clients.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Amman, JordanReported employees: 1,001-5,000 | Amman, Jordan | 1,001-5,000 | Exact match | 3,071 contacts → |
“Extensya is a company that primarily specializes in contact management solutions and business process outsourcing services, with a network of fully equipped contact centers in…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Pasay City, PhilippinesReported employees: 5,001-10,000 | Pasay City, Philippines | 5,001-10,000 | Exact match | 3,061 contacts → |
“ePerformax is a high-performing contact center & BPO that provides world-class, omnichannel service and support to a select group of Fortune companies and their customers.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Montes Claros, BrazilReported employees: 1,001-5,000 | Montes Claros, Brazil | 1,001-5,000 | Exact match | 2,951 contacts → |
“A VGX, é uma empresa 100% brasileira, com 13 anos de atuação e mais de 5.100 colaboradores, consolidada como referência em soluções de Customer Experience,Cobrança, Atendimento…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Berwyn, PA, United StatesReported employees: 5,001-10,000 | Berwyn, PA, United States | 5,001-10,000 | Exact match | 2,774 contacts → |
“Advanced Call Center Technologies, LLC (ACT) is a premier provider of domestic (USA), near shore and far shore outsourced call center services to the financial services, mortgage…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Goiânia, BrazilReported employees: 10001+ | Goiânia, Brazil | 10001+ | Exact match | 2,552 contacts → |
“Com 19 anos de experiência em CX e BPO, somos consultivos e entregamos soluções personalizadas que conectam pessoas e tecnologia para impulsionar seus resultados.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Bogotá D.c, ColombiaReported employees: 5,001-10,000 | Bogotá D.c, Colombia | 5,001-10,000 | Exact match | 2,342 contacts → |
“Más que un contact center y BPO, somos el partner que asegura que la experiencia de tus clientes sea increíble.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Buenos Aires, ArgentinaReported employees: 1,001-5,000 | Buenos Aires, Argentina | 1,001-5,000 | Exact match | 2,221 contacts → |
“Somos la compañía líder en Servicios Next Gen de Contact Center, Business Process Outsourcing (BPO) y Customer Experience (CX).” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Sykes Philippinessitel.com HQ: Makati City, PhilippinesReported employees: 10001+ | Makati City, Philippines | 10001+ | Exact match | 1,990 contacts → |
“Sitel Philippines (formerly SYKES).” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Transcosmos INCtrans-cosmos.co.jp HQ: Toshima-ku, JapanReported employees: 10001+ | Toshima-ku, Japan | 10001+ | Exact match | 1,987 contacts → |
“transcosmos launched its operations in 1966.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 6,387 company matches
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Contact center optimization companies: dataset insights
September 27, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
6,376 records in the displayed employee bands.
11 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 6,387 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 27, 2026.
Publisher-reported method study
The published RevenueBase SmartSearch benchmark
86% good or better at Exact
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. It reports 86% of Exact matches judged good or better, and 77% for a 240-pair sample of one- or two-word categories. This evaluates the method across study queries rather than auditing this individual list.
Read the study and full methodology ↗RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Contact center optimization companies by location
34 lists · largest firstEvery Contact center optimization companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Contact center optimization companies based in the United States1,216
- Contact center optimization companies based in India370
- Contact center optimization companies based in Brazil281
- Contact center optimization companies based in the United Kingdom259
- Contact center optimization companies based in the Philippines164
- Contact center optimization companies based in Canada156
- Contact center optimization companies based in Mexico146
- Contact center optimization companies based in Italy136
- Contact center optimization companies based in Germany134
- Contact center optimization companies based in Spain132
- Contact center optimization companies based in France106
- Contact center optimization companies based in the Netherlands106
- Contact center optimization companies based in Colombia91
- Contact center optimization companies based in Argentina85
- Contact center optimization companies based in South Africa85
- Contact center optimization companies based in Türkiye78
- Contact center optimization companies based in Australia73
- Contact center optimization companies based in Egypt63
- Contact center optimization companies based in Poland63
- Contact center optimization companies based in Chile44
- Contact center optimization companies based in Israel38
- Contact center optimization companies based in Tunisia36
- Contact center optimization companies based in Belgium30
- Contact center optimization companies based in Ecuador29
- Contact center optimization companies based in Portugal28
- Contact center optimization companies based in Czechia27
- Contact center optimization companies based in Greece26
Cities
- Contact center optimization companies based in Sao Paulo, Brazil95
- Contact center optimization companies based in London, United Kingdom60
- Contact center optimization companies based in Madrid, Spain41
- Contact center optimization companies based in Toronto, Canada30
- Contact center optimization companies based in Atlanta, United States27
- Contact center optimization companies based in Paris, France27
- Contact center optimization companies based in Miami, United States26
Questions about this company list
What does Exact match mean for contact center optimization companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many contact center optimization companies did RevenueBase find worldwide?
The saved snapshot records 6,387 matching company records, 388,377 tracked contacts and 42,479 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 27, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 contact center optimization companies worldwide. Snapshot: September 27, 2026. https://revenuebase.ai/companies/browse/contact-center-optimization-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗